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Overview
Looking for top C# jobs? Explore the latest C# developer opportunities on Haystack, your go-to IT job board. Whether you're a junior coder or a seasoned software engineer, find the best C# vacancies with competitive salaries and exciting projects. Start your next career move in C# development today!
Software Engineer
MASS Consultants
Corsham
In office
Junior - Mid
£50,000
RECENTLY POSTED

Software Engineer On-site, Corsham (SN13)

  • £35,000 - £50,000
  • 25 days annual leave (in addition to Bank Holidays)
  • Buy or sell up to 5 days annual leave
  • Continuous Professional development support
  • Two pension schemes to choose from
  • Life Assurance scheme up to 4 x salary
  • Private Medical & Dental Insurance+ discounts for additional family members
  • Other benefits such as Health & Wellbeing Allowance, Electric/Hybrid Car leasing scheme, Cycle to work scheme and more.

This is an opportunity to make an impact within a dedicated team that takes great pride in delivering solutions in a role of critical importance, working embedded on a client site. As a software engineer you can expect to be involved insupporting ongoing maintenance and enhancement of mission-critical simulation software, working in both Windows and Red Hat Linux environments.

The role requires contributing to a rigorous development and test cycle that maintains high customer confidence in both the software and the team maintaining it.

The successful candidate will be a confident C++/C# practitioner, ideally with an education background in STEM, with the ability to work effectively in a dynamic environment whilst liaising regularly with the customers.The role is based in-office in Wiltshire but may involve occasional travel both within and outside of UK.

Duties / Responsibilities:

  • Ability to comprehend requirement / document changes to analyse a scope of change required for a work item.
  • Design, development and maintenance of an existing code solution.
  • Testing and reviewing software applications and supporting documentation.
  • Contributing to meetings and work groups, providing domain knowledge and expertise on technical matters.
  • Collaborating within a team environment, and communicating effectively.
  • Suggesting improvements for continuous improvements.

Essentials

  • You demonstrate the qualities of an engineer and enjoy the challenge of building complex or efficient software solutions.
  • You want to apply your natural ingenuity to solve challenging engineering problems
  • You’re keen to learn new technologies and languages
  • You have a good understanding of computing fundamentals (e.g. logic, data structures) along with strong software design skills, including Object-Oriented Programming, and knowledge of version control systems such as Git/SVN
  • 2+ years experience in C# development, or another language
  • Knowledge of Visual Studio &MS Office Products
  • Mustbe eligible to work and live in the UK
  • Mustbe eligible to undergo and maintain appropriate UK government Developed Vetting security clearance

Desirables

  • Knowledge of the Red Hat Linux or other Unix based operating system

  • Competency in multiple programming languages

  • Understanding of Object-Oriented Design, and implementation of engineering algorithms

  • Knowledge of UML

  • Understanding of Requirements &Configurationmanagement

  • Experience of working in an Agile environment

Who is MASS

MASS is an independent, global technology company, trusted by highly secure organisations to provide advanced, digital services that manage data and keep information safe. With our heritage in defence, we offer robust solutions to sectors where security expertise is essential.

Wellbeing is at the core to our culture, allowingemployees to flourish and to achieve their full potential. Our people are important to us, and we take pride in our wellbeing programmes and policies that supportindividuals including, mental health first aiders and readily available support through our extensive employee assistance programme.

We work in partnership with customers, using skilled, technical experts. We think innovatively to provide tailored, agile and resilient solutions that secure advantage, so youre ready for digital transformation. MASS is an equal opportunities employer; we know that our people are smart, skilled and motivated and in return we provide a friendly workplace where everyone is valued and has the chance to make an impact.

Apply todayto see how working for MASS could work for you!

Principal Cloud Engineer
WRK DIGITAL LTD
Leeds
Hybrid
Senior
£90,000
RECENTLY POSTED
+4

Principal Engineer (Cloud) Consultancy -AWS Azure Terraform Kubernetes

Leeds City Centre with Hybrid Working (2 days a week in the office)

£80,000£90,000 + Benefits

WRK digital is exclusively partnering with a leading digital consultancy to recruit aPrincipal

Engineer (Cloud) a hands-on technical leader who sets engineering standards and drives cloud excellence across major client engagements.

Youll shape technical direction, architect modern cloud platforms, mentor engineers, and contribute to high-impact digital transformation projects across a wide range of industries.

The Role

Youll lead architecture and technical strategy while remaining hands-on across cloud platform engineering, infrastructure automation, and high-quality software development. Youll guide engineering teams, collaborate closely with delivery leaders and product teams, and ensure complex cloud solutions are reliable, secure, scalable, and cost-effective.

Key Responsibilities

  • Lead cloud architecture and technical decision-making across major projects
  • Design and build cloud-native platforms using AWS, Azure, Terraform, Kubernetes, and serverless technologies
  • Write and review high-quality, production-ready code across the full stack
  • Champion best practices in security, testing, CI/CD, observability, and operational excellence
  • Implement monitoring, metrics, and tracing solutions to ensure reliability and performance
  • Mentor engineers and help shape engineering standards and modern practices
  • Contribute to presales activities including proposals, estimates, and technical pitches
  • Facilitate architecture workshops and collaborative engineering sessions

What Youll Need

  • Deep experience with AWS and/or Azure
  • Strong expertise in Terraform, Kubernetes, Docker, ECS, and cloud-native tooling
  • Excellent understanding of cloud security, IAM, and zero-trust principles
  • Strong backend engineering skills (C#, Python, Node.js, Java)
  • Good working knowledge of front-end frameworks such as React and TypeScript
  • Experience building CI/CD pipelines and modern automation
  • Strong communication skills and the ability to work confidently with both technical and non-technical stakeholders
  • Proven experience mentoring engineers and leading technical discussions

Nice to Have:GCP experience, public sector background, accessibility awareness, or use of AI-assisted engineering tools.

How to Apply

WRK digital is managing this recruitment process on behalf of our client.

To apply or discuss this opportunity confidentially, please contactCharlieat WRK digital.

Lead Developer C# Angular Developer Solihull
INFUSED SOLUTIONS LIMITED
Solihull
In office
Senior
£100,000
RECENTLY POSTED

Lead C# Full Stack Software Engineer

Location: Solihull
Employment Type: Permanent
Salary: £80,000 - £100,000 (DOE)

We’re working with a well-established and growing organisation that is looking to appoint a Lead Software Engineer to take ownership of a critical engineering team and play a key role in the delivery of modern, scalable software solutions.

This is a hands-on leadership role, ideal for someone who enjoys balancing technical excellence with team leadership.

The Role

As Lead Engineer, you’ll be responsible for guiding a team of developers while remaining deeply involved in hands-on development. You’ll drive best practices, oversee delivery, and ensure high-quality code across the team.

You’ll be expected to:

  • Lead and run engineering sprints (planning, stand-ups, retrospectives)
  • Carry out code reviews and mentor developers
  • Act as the technical point of contact for the team
  • Collaborate closely with product, architecture, and senior stakeholders
  • Remain hands-on with coding as part of day-to-day responsibilities

This role is fully onsite in Solihull, 5 days per week.

Essential Skills & Experience

  • Strong experience in a Lead / Senior Engineering role

  • Proven ability to run development teams and Agile ceremonies

  • Extensive hands-on experience with:

    • C# (.NET - latest versions)
    • Angular (latest versions)
  • Strong background in code quality, reviews, and best practices

  • Experience delivering complex systems in a production environment

  • Excellent communication and leadership skills

What’s On Offer

  • Salary between £80,000 - £100,000 depending on experience
  • Permanent position with long-term stability
  • Opportunity to lead and shape a key engineering team
  • High-impact role with genuine influence over technical direction
  • Onsite working in Solihull (no hybrid/remote)

Apply Now

If you’re a technically strong Lead Engineer who enjoys leading from the front and wants a role where you can both code and lead, this is an excellent opportunity.

Apply now to find out more.

Data Migration Specialist
etiCloud
Sheffield
In office
Mid - Senior
£60,000
RECENTLY POSTED

Location: Sheffield
Contract Type: Permanent
Hours: Full time
Salary: £45,000 - £60,000 p/a depending on experience

The Data Migration Specialist is responsible for managing and delivering high-quality data migrations from legacy Case/Practice Management Systems (CMS/PMS) into our platform. This role owns the end-to-end migration lifecycle: extraction, transformation, validation, reconciliation, and loading of data using API-led and ETL approaches.

In addition, this role will advise on and help shape an internal data warehouse that will act as the foundation for migration preparation, cleansing, auditability, and as a single source of truth for database migrations.

Key Responsibilities

Lead the data migration workstream, including planning, scoping, mapping, cleansing, testing, and loading.
Extract data from legacy CMS/PMS and related systems and transform datasets to meet target data models.
Use API-based tools and integration frameworks to perform data imports, updates, and reconciliations.
Deliver migrations across core data domains including: Accounts / financial data, Matter / case data, Contacts, Documents and related metadata
Identify data quality issues, perform remediation, and work closely with clients to validate migrated data.
Execute trial migrations, delta migrations, and final production cutover loads.
Advise on and contribute to the design and development of an internal data warehouse to: Support migration data preparation and cleansing, Provide auditability and reconciliation reporting, Act as a single source of truth for migration datasets
Collaborate closely with the Implementation Lead and project team to align migration activities with overall delivery timelines.
Produce and maintain clear documentation for: Data mapping and transformation rules, Migration processes and runbooks, Data validation and reconciliation procedures

Skills & Experience Required

Proven experience delivering data migrations in legal, financial, accounts, or SaaS environments.
Strong understanding of ETL processes, data mapping, data quality, and validation techniques.
Hands-on experience using APIs for data import/export and system integrations.
Experience with scripting or development languages such as Python and/or C#.
Strong SQL skills, including querying, data analysis, and validation.
Experience working with relational databases and structured data models.
Ability to analyse, troubleshoot, and resolve data discrepancies efficiently and methodically.
Excellent organisational, documentation, and stakeholder communication skills.
Understanding of data governance, auditability, and reconciliation best practices.

Desirable

Experience working in professional services, legal tech, or enterprise SaaS implementations.

Joining etiCloud isnt just about the job, its so much more. We want you to forge a successful and rewarding career in the IT industry. Youll be supported every step of the way in a friendly, professional environment where you and your future matter.

Heres a quick overview of what you can expect when you become part of our team:

Competitive salary with regular reviews to reward your progress
Annual company bonus recognising your hard work
Career development through ongoing training, support, and progression opportunities
28 days annual leave
Company pension scheme to support your future
Supportive, friendly team with a down-to-earth culture
Health & wellbeing benefits, including private medical insurance, health cash plan, and mental health support
Modern, secure Sheffield office with kitchen facilities and a coffee machine
Weekly fresh fruit as part of our wellbeing initiatives
Free onsite parking

Apply now and take your next step in the world of tech with etiCloud!

You may also have experience in the following: Data Migration Specialist, Data Migration Consultant, ETL Developer, Data Engineer, SQL Developer, Database Migration Consultant, Technical Implementation Consultant, Data Integration Specialist, Systems Integration Engineer, Data Warehouse Developer, Migration Engineer, Data Conversion Specialist, Application Data Consultant, Legal Tech Data Specialist, SaaS Implementation Data Consultant

REF-224 949

Implementation Lead
etiCloud
Sheffield
In office
Senior
£65,000
RECENTLY POSTED

Location: Sheffield
Contract Type: Permanent
Hours: Full time
Salary: £55,000 - £65,000 depending on experience

The Implementation Lead is responsible for managing the end to end delivery of the Case Management Solution (CMS) implementation projects. This includes scoping, planning, stakeholder management, and ensuring that workflows, processes, and system configurations are delivered to a high standard.

The role also includes hands on configuration and development work to build client specific workflow automation, process configuration, template and document automation, and integrations setup as per the project scope and client business processes. The Implementation Lead is also required to provide post go live support to the client.

Key Responsibilities

Lead CMS implementation projects from discovery to go live.
Manage scope, schedules, risks, and communication with clients and internal stakeholders.
Conduct requirements gathering and map client processes into the CMS workflows.
Oversee the build of workflow automations, templates, and system configuration.
Coordinate Data Migration Specialists and Workflow Developers to ensure aligned delivery.
Conduct client facing workshops, check ins, and progress reviews.
Ensure implementation best practices are followed across all project phases.
Maintain documentation, RAID logs, and project plans.
Support UAT, end user training planning, and go live readiness.
Provide post go live support to the client.

Skills & Experience Required

Proven project management experience within software or SaaS implementation.
Strong understanding of legal case management workflows.
Ability to translate complex business processes into system workflows.
Excellent communication, presentation, and stakeholder management skills.
Experience using workflow or automation tools.
Familiarity with API led integrations and legal tech environments.
Experience developing Legal Case Management Solutions (CMS).
JavaScript.
Third Party tools, such as Zapier, TOCA, Power Automate and Postman.
REST API (Proficient in C#, Python, Javascript, PHP or Python).

Joining etiCloud Ltd isnt just about getting a jobits about growing a career with one of the UKs leading cloud-based IT providers. Youll be supported every step of the way in a friendly, professional environment where your development matters.

Heres what youll get when you become part of our team:

Competitive salary with regular reviews to reward your progress
Annual company bonus recognising your hard work
Career development through ongoing training, support, and progression opportunities
25 days annual leave
Company pension scheme to support your future
Supportive, friendly team with a down-to-earth culture
Health & wellbeing benefits, including private medical insurance, health cash plan, and mental health support
Modern, secure Sheffield office with kitchen facilities and a coffee machine
Weekly fresh fruit as part of our wellbeing initiatives
Free onsite parking

Apply now and take your next step in the world of tech with etiCloud!

You may also have experience in the following: Implementation Lead, Software Implementation Manager, SaaS Implementation Manager, Technical Implementation Lead, Legal Tech Implementation Consultant, Case Management Systems Consultant, CMS Implementation Specialist, Legal Case Management Developer, Solutions Implementation Manager, Workflow Automation Consultant, Technical Project Manager (SaaS), Systems Implementation Consultant, Client Onboarding Manager (Software), Integration Specialist (REST API), Legal Software Project Manager

REF-226 950

Lead Software Engineer
Stratospherec Ltd
Fareham
In office
Senior
£65,000 - £75,000
RECENTLY POSTED
+3

Lead Software Developer - Whiteley, Salary - £65000 to £75000 My client are a Financial services company based in Fareham. They are looking for a Senior/Lead Software Developer with skills in ASP.Net, MVC, and C#. My client are looking for a Tech Lead Developer with hands on experience in Microsoft Technologies, ASP.Net & MVC .NET Core and who can be hands on with coding as well as be the Technical Lead of a small development team. This role is more focused on Tech Lead, Mentoring and Software Development, than people management and team leading. This role is paying up to £75k (depending on experience) and is on-site full-time. Skills needed for this role: • 8 plus experience in C# using .NET Framework (4.8+ - ASP.NET MVC, ASP.NET Web API and Web Forms, Windows Services) • Experience in using .NET 8 (Razor, Razor Pages, Web API) • Experience in working with ORMs (Entity Framework/Entity Framework Core preferred) • Intermediate level experience using Source Control (GIT preferred) • Intermediate level experience in using and coding SQL Server, Stored Procedures and T-SQL • Experience in working in a collaborative commercial development environment • Experience with configuring Windows Server and IIS This role is 5 days a week in the office. If this sounds like it might be of interest, then please apply with your CV

Lead Technical Engineer
EVOLVE IN RECRUITMENT LTD
Bristol
Hybrid
Senior
£100,000
RECENTLY POSTED

JobTitle:TechnicalLead/StaffSoftwareEngineer//EngineeringLead/TechnicalDirector/ChiefEngineer

Salary:£63,000-£103,000

Location:Bristol

Ourclientisseekingenthusiasticandproactiveindividualstojointheirgrowingteam.Workinginabusybutdynamicenvironment,youwillJoinourclientsDigital&Datateamworkingalongsideproduct,designandawiderangeofotherexpertsandcross-disciplinaryteamstobringideastolifethroughinnovativesoftwaresolutions.ThisisahybridrolewithtwodaysintheofficeinCentralLondon.

Ourclienthasover4,000strategists,innovators,designers,consultants,digitalexperts,scientists,engineers,andtechnologists.Andhaveadeepexpertiseinanumberofareasnotlimitedtobutincludingconsumerandmanufacturing,defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands.

JobDescription

WhyconsiderjoiningtheDigital&Datacommunity

  • Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo.
  • Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame

Techstackrequiredideally:

Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications:

  • ProgrammingLanguages:JavaScript/TypeScript,Java,C#
  • Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET
  • Cloudplatforms:AWS,GCP,Azure
  • CI/CD:Jenkins,GitHubActions,AzureDevOps
  • IaC:Terraform,CloudFormation,AzureBicep
  • PragmaticandsafeusageofAIthroughtheSDLC(e.g.usingMCPtocombinetoolsininterestingandeffectiveways)

Qualifications

Essentialrequirements

  • Experienceinmanagingandtechnicallyleadingasoftwareengineeringteam
  • Soft-skillstointeractwithclients,demonstratingcredibilityintechnologyandoveralldelivery
  • Provencapabilityinshapingtheend-to-endsoftwaredeliverylifecycle,drivingimprovementsacrossdevelopment,testing,deployment,andoperationalphases.
  • Abilitytoimplementinfrastructure-as-code,CI/CD,andefficientreleasemanagementstrategies.
  • Enhancesystemperformanceusingloadtesting,caching,andoptimizingdatabasequeriesandapplicationlogicforbetterscalabilityandresponsetimes.
  • ExpertiseinmodernengineeringstandardssuchasTDD,contracttesting,andsecurecoding,aswellasarchitecturalpatternslikeevent-drivenarchitectureandplatformmigration.
  • Experienceprovidingtechnicalsubjectmatterexpertisetoshapebidsandclientproposals.Canpresentproposedapproachesanddiscusstechnicalimplementationwithprospectiveclientsduringthesalesprocess

YouarerequiredtobeabletoworkintheUKfulltimewithoutrestrictionandbeeligibleforSCclearance.Ifyoufeelyouhavetherelevantskillsandexperiencerequiredforthisrole,thenpleaseapplytoEvolveRecruitment,KingstonuponThamesformoreinformation.

Duetothehighvolumeofapplicationswereceiveitisnotalwayspossibletorespondtounsuccessfulapplicants.Therefore,ifwehavenotrespondedtoyourapplicationwithinfivedayspleaseassumethatonthisoccasionyourapplicationhasnotbeensuccessful.

Technical Lead
Erin Associates
Birmingham
Hybrid
Senior
£70,000
+4

Technical Lead - Birmingham, West Midlands
Location: Birmingham (Hybrid) 2 days a week in their offices
Salary: 70k + benefits
Erin Associates are recruiting for a Birmingham based software house seeking a hands-on Technical Lead to own architecture, technical direction, and best practices for a small, high performing development team.

Core Responsibilities

  • Lead architecture across Node.js, React, and .NET
  • Provide technical leadership, mentoring, and guidance to developers
  • Design scalable SQL and NoSQL data solutions
  • Drive performance, scalability, and cost-effective cloud architecture
  • Produce technical designs, prototypes, and architectural decisions
  • Produce clear documentation
  • Collaborate closely with algorithms and data processing teams

Essential Experience

  • 5+ years cloud full-stack development
  • 2+ years in a Senior or Lead Developer role
  • Proven experience managing and mentoring developers
  • Strong enterprise cloud architecture background
  • Comfortable working hands-on within the code

Required Skills
Backend: Node.js, TypeScript, C# (.NET)
Frontend: React, TypeScript
Data: Strong SQL, MongoDB (or equivalent NoSQL)

Cloud & Delivery

  • Azure (App Services, Azure Batch production experience)
  • Azure DevOps (CI/CD, repos, pipelines, boards)

The Technical lead will have a real influence over architecture and tooling and will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications.

Keywords: Technical Lead, Lead Developer, Senior Developer, Fullstack Developer, Node.js, React, Azure DevOps, Javascript, React Developer, Api, Birmingham, West Midlands, Solihull, Warwickshire

To apply, please send your CV to Bethany at
or call 0161 438 1177 for more details.

Follow us on Twitter: @erinassociates
Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy.

Senior Microsoft 365 Developer
Tech 4
London
Hybrid
Senior
£100,000
+1

Senior Microsoft 365 Developeris required by fast growing and highly successful global organisation.

This is a new opportunity within their experienced, dynamic IT team.

Purpose:The Senior Microsoft 365 Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint solutions that drive business productivity and enhance user experience. This role involves architecting and developing applications and integrations within the Microsoft 365 ecosystem, including Power Platform and Azure integrations, while providing technical leadership and strategic guidance to projects and teams.

Role Responsibilities:

  • Manage, configure, and develop within Office 365 environments, utilising a range of Office 365 applications for document management and collaboration.
  • Design and develop applications using Power Apps (Canvas Apps), Power Automate, and Power BI to create integrated solutions that support business needs.
  • Knowledge of development using the Microsoft Graph API enhancing interconnectivity across applications.
  • Develop, customise, and manage Modern SharePoint sites, including site pages, web parts, and site templates to enhance user experience and productivity.
  • Implement Front End solutions utilising SPFx, PnP, and frameworks like JavaScript, TypeScript, and .NET Core for dynamic user experiences and functionality.
  • Integrate Office 365 applications with third-party and cloud services using APIs, JSON, and CSOM, ensuring seamless data flow and application interoperability.
  • Build Azure-based solutions integrated with Office 365, leveraging Azure Logic Apps, Function Apps, and other Azure services, with programming in JavaScript, C#, and PowerShell.
  • Practical Office 365 product experience - configuring, administration, development and deploying solutions using the full range of Office 365 apps for document management and collaboration.
  • Knowledge of SharePoint Online, OneDrive, Microsoft Teams.
  • Apply practical knowledge of SharePoint Online and associated Services (Search Service, User Profile Service, Compliance Centre, Security Centre, Content and Document Management Principles).
  • Apply practical knowledge in the use of PowerShell to automate deployments and perform maintenance tasks
  • Experience of undertaking Office 365 BAU Admin activities.
  • Implement robust security practices when working with Office365, Power Platform and Azure.
  • Demonstrate strong interpersonal skills with an ability to communicate complex technical concepts effectively to clients and stakeholders.
  • Capable of working autonomously, remotely, or collaboratively within diverse team environments.
  • Prioritise, plan, and multitask effectively within deadlines and budget constraints, applying project management principles where required and ability to work within a project team.
  • Experience working on projects, taking requirements, generating designs, and implementing a final solution.
  • Strong understanding of Application Lifecycle Management when working with Power Platform and Office365 Solutions.
  • Maintain up-to-date skills, learn new technologies as needed, and proactively identify and implement effective solutions for business requirements.

Qualifications/Skills/Experience:

  • Knowledge of Azure Servers, Web Applications, Storage Solutions, Data Solutions, Machine Learning Solutions and Networking
  • Knowledge of Web Design/Development using HTML, CSS and Adobe Creative Cloud suite of product
  • Knowledge of Azure SQL Database implementation and development with Azure Data Factory

Excellent training and career development opportunities exist for the right candidate.

Location: Essex/Hybrid

Basic salary £80-100,000 + excellent benefits.

JAVA Software Engineer
Gold Group
Bedford
In office
Mid
£60/hour - £80/hour
+1

Job Title: Java Software Engineer

Location: Bedfordshire

Rate: £80 p/h - We are booking interviews in next week! Please call or email for a slot

We have a need for additional Software Engineers with Java programming skills to join the Bedfordshire Engineering team.

The Role:

So, what will you be doing as a Java Software Engineer?

The candidate will the following essential skills:

Proven and demonstrable evidence of capabilities in software engineering.

Proven and demonstrable evidence of capabilities in Java (version 11 or later) and Object Oriented Development.

Knowledge of development on various Operating Systems ( Windows 10/11, Linux).

Knowledge of DevSecOps.

Proven and demonstrable experience of working as part of an agile team on a large-scale programme.

Strong oral and written communication skills.

The following skills are desirable:

Knowledge of UML modelling for software.

Knowledge of DDS (Data Distribution Service).

Knowledge of Gradle.

Development of GIS (Geographic Information Systems) Software.

Knowledge of C# or C++.

Knowledge of GitLab.

My client is keen to get this position filled ASAP, so if you feel you have the skills and desire to provide passion and drive as the next Java Software Engineer, this is the opportunity for you!

You will be required to undergo SC clearance for this role.

So, if you are interested in joining a well-established, renowned, globally recognised organisation working with experts in their field as the next Java Software Engineer, hit that apply button now!

Services advertised by Gold Group are those of an Agency and/or an Employment Business.

We will contact you within the next 14 days if you are selected for interview. For a copy of our privacy policy please visit our website.

TPBN1_UKTJ

Software Developer
Oscar Associates (UK) Limited
Bristol
Hybrid
Mid
£50,000
+7

.NET Software Engineer

?? Bristol (Hybrid)

?? Up to £50,000 DOE

?? Permanent | Full-Time

The Company

We’re partnering with a Bristol-based, technology-driven organisation with a successful SaaS product built within the Microsoft ecosystem. Due to continued growth, they’re looking to add a talented .NET Software Developer to their collaborative team.

This is a fantastic opportunity for someone who enjoys working across the full Software Development Life Cycle (SDLC) and contributing to modern, cloud-native applications.

The Role

As a .NET Software Developer, you’ll be involved in the full SDLC - from requirements gathering and design through to development, testing, deployment, and ongoing support. You’ll be working within a strong team of ten Software Developers on a project-by-project basis.

Key Responsibilities

Design, develop, test, and maintain high-quality software solutions in line with agreed requirements and development standards.

Contribute to software design discussions, supporting the delivery of scalable and maintainable technical solutions.

Apply engineering best practices across development, testing, and deployment activities.

Support Operations teams with software diagnostics, service investigations, and incident resolution when required.

Contribute to solution design within your functional area, ensuring alignment with business requirements.

Review peer code and provide constructive feedback to maintain code quality and consistency.

Create and maintain technical documentation to support knowledge sharing and ongoing maintainability.

Participate in incident response activities, assisting with root cause analysis and implementing fixes to improve system stability.

Support testing activities across environments, including functional and investigative testing.

Develop and maintain automated tests, contributing to improved test coverage and quality standards.

Maintain project dependencies, ensuring packages are reviewed and updated as part of routine development cycles.

Follow established dependency management and CI/CD processes to support consistent and reliable releases.

Technical Skills & Experience

Essential:

Strong experience with .NET Core and C#

Experience with ASP.NET MVC

Building and integrating REST APIs

Strong SQL/database experience

Experience with cloud platforms (Azure or AWS)

CI/CD pipeline experience (Azure DevOps or GitHub Actions)

Experience with Entity Framework / EF Core

Version control with Git

Understanding of testing frameworks (xUnit or similar)

Desirable:

Experience with CosmosDB

Redis caching

Docker/containerisation

Front-end exposure (Blazor, TypeScript, React, Vite)

Monitoring tools such as Azure Application Insights

What’s On Offer

Salary up to £50,000 (DOE)

Hybrid working model (Bristol-based office)

Flexi-hours between 7am-6pm

Career Progression

Learning & Development Opportunities

Opportunity to work on projects suited to your interests, and expertise

Supportive and collaborative team environment

Please apply for immediate consideration!

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.

TPBN1_UKTJ

.Net Software Developer
Granite Recruitment and Consulting
Bristol
Hybrid
Junior - Mid
£50,000

.NetSoftwareDeveloperBristol/Hybrid-£40,000-£50,000+excellentbenefits

AgreatopportunitytojoinaleadingSaaSorganisationinBristolasa.NetSoftwareDeveloper.

Therolewouldsuita.NetSoftwareDeveloperwith2+yearsofexperiencewhoiscomfortableworkinginafull-stackposition(.NET,C#,JavaScript,andSQLServer),whoislookingforateamwheretheycanlearn,growandkickonintheircareer.

Itwillbejoiningasmall,highperformingteamwhohaveinvestedheavilyinthetechtheyworkwith.Theyhaveagreatcompanycultureandarecommittedtobuildinganinclusiveworkspace,includingbeingamemberoftheDisabilityConfidentemployerscheme.

Typicalresponsibilitieswillinclude:

DesigningandimplementingnewfeaturesforSaaSproducts

ThemajorityofdevelopmentwillbewithC#and.Net

Therewillalsobesomefront-endJavaScriptandSQLServerdatabasework

Test-drivendevelopment

ParticipateinAgilemeetings

Doesthissoundlikeyou?

2+years+experienceasa.NetDeveloper

StrongknowledgeofC#and.Net

ComfortablefullstackwithJavaScript(modernframeworkexperienceabonus)andSQLServer

Passionateabout.Netandsoftwaredesign/architecture

IdeallyaComputerScience(orsimilar)degree

Someofthebenefitsyoucanexpectinclude:

Hybridworking(3daysremote,2daysincentralBristol)

Privatemedicalinsurance

Lifeinsurance

Bonusschemeupto10%

26daysholiday(increaseswithservice)plusbuy/selloptions

Budgetfortraininganddevelopment

Plusmanymore!

TPBN1_UKTJ

Applications Developer
Ryder Reid Legal Ltd
London
In office
Mid
Private salary
+2

Applications Developer - London

Are you passionate about building innovative applications and delivering cutting-edge solutions? We are working with a leading global law firm to recruit an Applications Developer to join their dynamic technology team in London.

This is an exciting opportunity to work on high-performance web, mobile, and client-server applications, as well as maintain and enhance existing systems. The role also involves managing and developing SharePoint environments (on-premise and cloud), ensuring optimal performance, security, and scalability.

Key Responsibilities

  • Design, develop, and maintain custom ASP.NET MVC web applications and SharePoint solutions.
  • Implement responsive, user-friendly interfaces using frameworks such as React, Angular, Bootstrap, and jQuery.
  • Develop and optimize SQL databases to support application needs.
  • Utilize low-code platforms like PowerApps and Power Automate to streamline workflows.
  • Create and manage reports using SSRS and Power BI.
  • Provide technical support, troubleshoot issues, and ensure system reliability.
  • Collaborate with cross-functional teams to deliver solutions aligned with business goals.

What They Are Looking For

  • Degree in Computer Science, Information Systems, or related field.
  • Minimum 3 years’ experience in software development, with strong skills in SharePoint, SQL Server, and the .NET environment.
  • Proficiency in C#, ASP.NET MVC/Core, and web API development.
  • Experience with front-end frameworks and modern development practices.
  • Strong problem-solving skills and ability to manage multiple projects.
  • Excellent communication and collaboration skills.

Why Apply?

This is a fantastic opportunity to join a prestigious global organization that values innovation and offers a collaborative, forward-thinking environment. You’ll work on impactful projects and have the chance to shape technology solutions for a world-class firm.

Due to the high volume of applications, we are not able to respond to all enquiries. If you have not received a response within 72 hours, please assume you have not been shortlisted at this stage, however thank you for taking the time to apply.

Ryder Reid Legal is a recruitment specialist. For over thirty years we’ve been connecting legal talent with many of the leading law firms in London and internationally. Follow our LinkedIn page for the latest vacancies.

https://company/ryder-reid-legal

Software Development Team Lead - Cambridge
The Royal Society Of Chemistry
Cambridge
Hybrid
Senior
£65,000

Circa:

Salary - Salary Plan, 65,000.00 GBP Annual

The Royal Society of Chemistry (RSC) has a great opportunity for a Software Development Team Lead to join us on a permanent full-time basis.

As a Software Development Team Leader for the Royal Society of Chemistry, you will shape the software architecture and the fine-grained detail of configuration and implementation throughout the software development lifecycle for performance, security and maintainability of the applications we build.

Working within our DevOps team and with your colleagues across the directorate, you will lead a team of cross-functional technical staff, comprised of both back-end (.NET C#, node.JS), front-end (HTML/CSS/JS/Vue.JS) developers, test automation engineers and site reliability engineers (AWS) . Your work will enable the Royal Society of Chemistry to build, scale and continually improve our websites and services, serving our global audience of customers, users and colleagues. You will oversee the technical aspects of the product roadmap, working closely in collaboration with Solutions Architects and other Team Leaders to align with, contribute to and iterate on a shared architectural repository, guiding agile workstream members in technical implementation, assigning and ensuring quality delivery of backlog items and taking ownership of technical changes and releases. You will also directly line manage a small number of developers.

At the RSC we embrace flexibility and offer hybrid working, which means our teams come together when they need to collaborate. Although this role is contractually based at our Cambridge office, you will also be able to work from home within the UK, with the expectation that you will attend our offices and travel as needed for your role. If you need flexible working arrangements, please outline this in your application.

We are looking for:

  • Deep understanding of programming principles and how they impact the maintainability of enterprise applications.
  • Extensive, expert-level knowledge and hands-on experience with .NET C# back-end development.
  • High level understanding of front-end development (HTML/CSS/JS/Vue.JS).
  • Experience with DevOps best practice, such as continuous delivery, continuous testing, infrastructure as code etc.
  • Understanding of cloud architecture principles and hands-on experience with AWS or similar platforms.
  • Proven experience delivering projects across the full software development life cycle (SDLC), from requirements gathering and design through to deployment and post-release support.
  • Experience working within Agile practices, particularly Scrum and Kanban.
  • People management experience including delivery quality, workloads and personal development.

If you are interested in this role, please apply as soon as you can as we will be conducting interviews while advertising. When applying, you will need to provide an up-to-date CV and as a cover letter (in no more than 500 words) telling us about your relevant knowledge, skills and competencies and why you are applying for this role.

Benefits

We promote a healthy work/life balance and flexible working options. Our benefits package includes:

  • 26 days’ paid holiday per annum plus bank holidays.
  • Pension plan with up to 12% employer contributions (depending upon your contribution).
  • Life assurance at 3 times basic annual salary.
  • Enhanced parental leave.
  • Paid volunteering days.

Visit our Work For Us website to learn more about us, our benefits, equal opportunities statement and inclusive culture pledge.

At the RSC, we recognise the benefits of a diverse workforce and welcome applicants from a range of backgrounds to apply. We particularly encourage applications from disabled and ethnic minority candidates.

As a part of the Disability Confident Scheme, we endeavour, where possible, to offer an interview to candidates meeting the essential criteria of the role, who has a substantial physical/mental impairment which impacts their ability to carry out day-to-day tasks.

We are committed to making our recruitment processes accessible to all and as part of this, we are flexible in the ways we give and receive information. If you would like to apply using a different format, please contact the Recruitment Team at or on +44 (0) and we will do our best to put any reasonable adjustments in place.

If you have any questions, please contact us at

Software Engineer
Copello
Portsmouth
Hybrid
Mid - Senior
£60/hour - £70/hour
+2

We are building a team of Software Engineers for a consultancy supporting a company in Portsmouth.

Candidates will need active Security Clearance and to be a Sole British National

Roles will be offered outside IR35 on an initial 6-12 month contract. Anticipated that it will be a hybrid working pattern (minimum 3 days onsite)

Rates negotiable, circa £60-£70 ph Outside IR35.

The Tasks:

• Development of Software Design and UML Model for assigned tasks (candidate tasks below).
• Verification and Integration Testing of developed software
• Support to Test Events and Demonstrations

Candidate development tasks may include:
• Development of requirements, algorithms and implementation of autonomous UAV functions (e.g flight plans, low level flight)
• Integration Machine Learning models into existing UAV C2 system
• Integration of a UAV model into existing synthetic environment
• Bug fixes following verification and integration testing

Experience/Skills Required
• Experience developing SW for autonomous applications
• Experience integrating and developing Machine Learning models
• UI Design
• Algorithm development
• Requirements management in Enterprise Architect / DOORS / JIRA
• Model Based Sys Eng and SW Modelling in Enterprise Architect
• Source code management in GitLab
• Primarily C++, optionally C# (Visual Studio) & Python
• Mixture of OS environments (Real-time e.g. WindRiver, Green Hills, LynxOS, Linux, Windows)

C# .net software developer Investment banking
Huxley Associates
London
In office
Mid - Senior
£40,000 - £100,000

Role details

Title: C# .net software developer
Employer: Investment banking
Permanent role Salary range: £75k-95k
Role focus: translation from one language to another
Role requirements: C#.NET Development, Fixed income/ derivatives or any banking is beneficial

This is a new and exclusive Software Engineer - C# / .Net developer to join this investment bank as they expand their software development team. This role is focused on translating one file or language into something the current system can use. You will need to use your software development skills, to understand what a file needs, testing your solution in C#.Net and ensuring it has been translated correctly

As the C# .net software developer, you will be leading on fixed income/ derivative projects within this Investment banking.

Qualifications and Skills

Be well-versed in C#/.Net and/or C++ and have an active interest in other computing technology and tools.
Familiarity with Fixed Income/ Derivatives is a big plus.

For more information and the chance to be considered, please do send through a CV good luck

To find out more about Huxley, please visit

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales

Junior C# Developer - SC Cleared
VIQU IT
London
Hybrid
Junior
£300/day - £350/day

Junior C# Developer 6-month contract London SC Cleared Inside IR35

My Financial Services customer is looking for a Junior C# Developer, that will play a key role in triaging and resolving technical queries during the development of the Synchronisation Lab to act as a platform for industry to demonstrate use cases and understand business models for synchronisation. The Junior C# Developer will proactively engage with Product and development teams to ensure timely responses to queries.

You ll be joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing solutions within Azure

Junior C# Developer Skills & Experience required:
• Active SC Clearance.
• Strong hands-on experience with C#, .NET.
• Experience with Agile ways of working.
• Experience with a Microsoft Azure based environment.
• Experience in the Financial Services sector.
• High level support with incident response and troubleshooting.
• Eagerness to learn and improve interpersonal skills.

Junior C# Developer Key Responsibilities:
• Triaging and resolving technical queries.
• Build and maintain database structures and queries using SQL.
• Support the enhancement of synchronisation models based on participant feedback.
• Collaborate with developers and the production team.
• Delivering the technical release of later synchro models.

You must be able to work onsite 2 days per week in London.

Apply now to speak with VIQU IT in confidence. Or reach out to Louise Davies via the VIQU IT website.

For more exciting roles and opportunities like this, please follow us on IT Recruitment.

Senior Developer (C# / Angular / TypeScript) - Perm - Solihull
INFUSED SOLUTIONS LIMITED
Solihull
In office
Senior
£60,000

Job Title: Senior Developer (C# / Angular / TypeScript)

Location: Solihull (Onsite)
Salary: £55,000 - £60,000
Type: Permanent
Sponsorship: Not available (applicants must have the right to work in the UK)

About the Company

Our client is an established software company with a strong reputation for delivering high-quality technology solutions. Due to continued growth, they are looking to hire a Senior Developer to join their experienced engineering team based onsite in Solihull.

This is an excellent opportunity for someone who enjoys working in a collaborative environment where they can take ownership of development work and contribute to the technical direction of projects.

The Role

As a Senior Developer, you will play a key role in designing, developing, and maintaining modern software applications. You will work closely with other developers, product stakeholders, and technical leadership to deliver scalable and reliable solutions.

This is a fully onsite role, ideal for someone who enjoys team collaboration and hands-on development within a fast-moving environment.

Essential Skills

  • Strong commercial experience with C#
  • Solid front-end development skills with Angular
  • Good experience working with TypeScript
  • Experience building and maintaining modern web applications
  • Understanding of software engineering best practices and clean code principles
  • Ability to work collaboratively within an established development team

Responsibilities

  • Develop and maintain high-quality software solutions
  • Work across both back-end and front-end components
  • Contribute to architectural and technical discussions
  • Collaborate with team members to deliver features and improvements
  • Participate in code reviews and support best practice development

What’s on Offer

  • Salary of £55,000 - £60,000
  • Stable and established company environment
  • Long-term career opportunity within a growing team
  • Collaborative and supportive onsite culture
Software Developer
Tec Partners
Great Yarmouth
Hybrid
Junior - Mid
£30,000 - £40,000
+3

Role: Software Developer

Location: Great Yarmouth - Hybrid

Salary: Up to 40,000 DOE

I’m proud to be recruiting for a well-established software company at the forefront of retail technology, as they look to welcome a Software Developer to their growing team.

This hybrid role requires one day a week onsite and offers the chance to work on a cutting-edge, industry-leading software platform used by major retail clients across the UK and beyond.

You’ll be a well-rounded developer with 2+ years’ commercial experience, confident across both front- and back-end technologies. Technical requirements include:

  • Strong programming skills in C#, VB.NET, and ASP.NET Web Forms
  • Experience using .NET Core
  • Solid understanding of object-oriented programming and N-Tier architecture
  • Experience with SQL Server - including database design, security, backups, performance tuning
  • UI development experience using:
  • WPF (for desktop apps)
  • Or HTML/CSS/JavaScript/jQuery (for web apps)
  • Familiarity with source control tools (TFS, Git)
  • Comfortable working within Agile environments
  • Exposure to cloud platforms (IaaS and PaaS) and Windows Server/IIS setup
  • Confident with tools like Visual Studio, DevOps, and Jira

This is a hands-on role with the chance to mentor junior developers and take ownership of key projects. The position is full-time (40 hrs/week), with flexible hybrid working (Thursdays onsite).

Interested? Apply now or get in touch with Fintan at TEC Partners for a confidential conversation.

C# .net software developer Investment banking
Huxley Associates
London
In office
Mid - Senior
£40,000 - £100,000

Role details

  • Title: C# .net software developer
  • Employer: Investment banking
  • Permanent role Salary range: 75k-95k
  • Role focus: translation from one language to another
  • Role requirements: C#.NET Development, Fixed income/ derivatives or any banking is beneficial

This is a new and exclusive Software Engineer - C# / .Net developer to join this investment bank as they expand their software development team. This role is focused on translating one file or language into something the current system can use. You will need to use your software development skills, to understand what a file needs, testing your solution in C#.Net and ensuring it has been translated correctly

As the C# .net software developer, you will be leading on fixed income/ derivative projects within this Investment banking.

Qualifications and Skills

  • Be well-versed in C#/.Net and/or C++ and have an active interest in other computing technology and tools.
  • Familiarity with Fixed Income/ Derivatives is a big plus.

For more information and the chance to be considered, please do send through a CV good luck

To find out more about Huxley, please visit (url removed)

Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales

C# Developer
BMC Recruitment Group Ltd
Newcastle upon Tyne
Hybrid
Mid - Senior
£50,000 - £65,000

Do you enjoy having plenty of autonomy? Do you want to work for a small but growing organisation? Then this is the place to look

Job Description:
When you get the opportunity to work in a growing and exciting company, grab it with both hands This is an opportunity to be the lead developer, working with a small team of like minded people. The roadmap is already set but there is plenty of opportunity to put forward your input into the development. An ability to develop web applications in c# and ideally angular will be key and there is a chance to get your hands on the mobile applications. So much cutting edge technology to get involved with

Key Benefits:

  • Full time Permanent
  • 1-2 days a week in the office in Central Newcastle
  • Salary from £50-65k
  • Good pension and holidays

Responsibilities/Requirements:

  • Strong c# and angular or typescript and SQL Server skills
  • Ideally some react native or mobile development skills
  • An interest in AI and looking to utilise AI in development
  • Unit testing and integration testing

If you would like to work for a company who strive to offer the best service to clients and their own

Frequently asked questions
Haystack features a wide variety of C# job opportunities, including positions for junior developers, senior software engineers, full-stack developers, backend developers, and specialized roles in areas like gaming, finance, and enterprise software.
Most C# jobs on Haystack require knowledge of the .NET framework or .NET Core, as they are commonly used alongside C#. However, job requirements vary, so be sure to read each posting carefully.
Yes, Haystack offers numerous remote C# job listings. You can filter your job search to show remote opportunities specifically.
To improve your chances, ensure your resume highlights your C# projects and relevant experience, familiarize yourself with common frameworks like ASP.NET, LINQ, and Entity Framework, contribute to open-source C# projects, and prepare for technical interviews focusing on C# concepts and problem-solving.
Yes, job seekers can create profiles, search, and apply to C# jobs on Haystack completely free of charge.